Quasi-phase-matched second harmonic generation of long-range surface plasmon polaritons

被引：4

作者：

Cui, Guo-xin ^{[1
]}

Wu, Zi-jian ^{[1
]}

Wang, Meng-ying ^{[1
]}

Ming, Yang ^{[1
]}

Xing, Zheng ^{[2
]}

Qiu, Kai ^{[3
]}

Yuan, Lie-rong ^{[3
]}

Tan, Jun ^{[3
]}

Zhang, Xue-jin ^{[1
]}

Lu, Yan-qing ^{[1
]}

机构：

[1] Nanjing Univ, Coll Engn & Appl Sci, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China

[2] Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, Key Lab Nanodevices & Applicat, Suzhou 215123, Peoples R China

[3] Nanjing Univ, Sch Phys, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China

来源：

OPTICS EXPRESS | 2018年 / 26卷 / 04期

基金：

中国国家自然科学基金;

关键词：

LITHIUM-NIOBATE; OPTICAL FORCES; CRYSTAL; NANOSTRUCTURES; METAMATERIALS;

D O I：

10.1364/OE.26.004194

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, we experimentally demonstrate the second harmonic generation of long-range surface plasmon polaritons via quasi-phase matching in lithium niobate. After depositing a 9/13 nm thick Au film on periodically poled lithium niobate, TiO2 of about 2.3 mu m in thickness is evaporated on the sample as a refractive-index-matching material. This dielectric (periodically poled lithium niobate)-metal(Au)-dielectric(TiO2) sandwich structure can support the transmission of long-range surface plasmon polaritons through it. By designing a moderate ferroelectric domain period of periodically poled lithium niobate, the phase mismatch between the fundamental wave and second harmonic wave of the long-range surface plasmon polaritons can be compensated and a second harmonic wave can be generated effectively. This can be used to provide integrated plasmonic devices with attractive applications in quantum and classic information processing. (c) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：4194 / 4203

页数：10

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